On Sun, Jun 07, 2020 at 04:33:23PM -0700, Prakhar Srivastava wrote: > Add Documentation regarding the ima-kexec-buffer node in > the chosen node documentation Run 'git log --oneline Documentation/devicetree/bindings/chosen.txt' and write $subject using the dominate format used. For the commit message, answer why you need the change, not what the change is. I can read the diff for that. > > Signed-off-by: Prakhar Srivastava <prsriva@xxxxxxxxxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/chosen.txt | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) This file has moved to a schema here[1]. You need to update it. > > diff --git a/Documentation/devicetree/bindings/chosen.txt b/Documentation/devicetree/bindings/chosen.txt > index 45e79172a646..a15f70c007ef 100644 > --- a/Documentation/devicetree/bindings/chosen.txt > +++ b/Documentation/devicetree/bindings/chosen.txt > @@ -135,3 +135,20 @@ e.g. > linux,initrd-end = <0x82800000>; > }; > }; > + > +linux,ima-kexec-buffer > +---------------------- > + > +This property(currently used by powerpc, arm64) holds the memory range, > +the address and the size, of the IMA measurement logs that are being carried > +over to the kexec session. What's IMA? > + > +/ { > + chosen { > + linux,ima-kexec-buffer = <0x9 0x82000000 0x0 0x00008000>; > + }; > +}; > + > +This porperty does not represent real hardware, but the memory allocated for typo > +carrying the IMA measurement logs. The address and the suze are expressed in typo > +#address-cells and #size-cells, respectively of the root node. > -- > 2.25.1 > [1] https://github.com/devicetree-org/dt-schema/blob/master/schemas/chosen.yaml